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Finding the Fourth Proportional to 1,983.85, 2,737.73 and 1,099.67

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Solution

The fourth proportional to 1,983.85, 2,737.73 and 1,099.67 is: 1,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.85 : 2,737.73 = 1,099.67 : x
  2. Step 2: Convert to fraction form
    1,983.85/2,737.73 = 1,099.67/x
  3. Step 3: Cross multiply
    1,983.85x = 2,737.73 × 1,099.67
  4. Step 4: Simplify right side
    1,983.85x = 3,010,599.55
  5. Step 5: Solve for x
    x = 3,010,599.55/1,983.85
  6. Step 6: Final answer
    x = 1,517.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.